I am copying hereunder two of the most common errors that I get (userspace watchdog timeout and sleep/wake hang): USERSPACE WATCHDOG TIMEOUT: panic(cpu 1 caller 0xfffffff023a15064): userspace watchdog timeout: no successful checkins from dfrd in 180 seconds service: dfrd, total successful checkins since load (210 seconds ago): 3, last successful checkin: 180 seconds ago service: remoted, total successful checkins since load (210 seconds ago): 22, last successful checkin: 0 seconds ago service: bridgeaudiod, total successful checkins since load (210 seconds ago): 22, last successful checkin: 0 seconds ago service: logd, total successful checkins since load (210 seconds ago): 21, last successful checkin: 0 seconds ago Debugger message: panic Memory ID: 0x6 OS release type: User OS version: 19P647 macOS version: 21C52 Kernel version: Darwin Kernel Version 21.2.0: Sun Nov 28 20:41:46 PST 2021; root:xnu-8019.61.5~2/RELEASE_ARM64_T8010 Kernel UUID: 096BFE9E-1498-32D9-A90D-40F573034F7C iBoot version: iBoot-7429.61.2 secure boot?: YES x86 EFI Boot State: 0x16 x86 System State: 0x0 x86 Power State: 0x0 x86 Shutdown Cause: 0xec x86 Previous Power Transitions: 0x70707060400 PCIeUp link state: 0x1614 Paniclog version: 13 Kernel slide: 0x000000001b698000 Kernel text base: 0xfffffff02269c000 mach_absolute_time: 0x137f6724c Epoch Time: sec usec Boot : 0x61eed8c0 0x000607e7 Sleep : 0x00000000 0x00000000 Wake : 0x00000000 0x00000000 Calendar: 0x61eed995 0x00093c15 Zone info: Foreign : 0xfffffff0561bc000 - 0xfffffff0561cc000 Native : 0xffffffe000494000 - 0xffffffe600494000 Readonly : 0xffffffe0e6af8000 - 0xffffffe1337bc000 Metadata : 0xffffffeb009a4000 - 0xffffffeb04afc000 Bitmaps : 0xffffffeb021a4000 - 0xffffffeb02408000 CORE 0: PC=0x000000018c6345a0, LR=0x000000018c657d98, FP=0x000000016cfd60e0 CORE 1 is the one that panicked. Check the full backtrace for details. Total cpu_usage: 13917263 Thread task pri cpu_usage 0xffffffe4ccba54e8 watchdogd 97 0 0xffffffe4ccba29d0 bridgeaudiod 37 0 0xffffffe4ccb970c8 watchdogd 31 0 0xffffffe4cd0a0df0 kernel_task 0 5371366 0xffffffe4cd09cdf0 kernel_task 0 4694703 Panicked task 0xffffffe4cd110000: 189 pages, 3 threads: pid 36: watchdogd Panicked thread: 0xffffffe4ccba54e8, backtrace: 0xffffffeb03fe30c0, tid: 886 lr: 0xfffffff022e8f6b4 fp: 0xffffffeb03fe3100 lr: 0xfffffff022e8f444 fp: 0xffffffeb03fe3170 lr: 0xfffffff022fcad98 fp: 0xffffffeb03fe31f0 lr: 0xfffffff022fc9f60 fp: 0xffffffeb03fe32a0 lr: 0xfffffff0234f95fc fp: 0xffffffeb03fe32b0 lr: 0xfffffff022e8f158 fp: 0xffffffeb03fe3640 lr: 0xfffffff022e8f158 fp: 0xffffffeb03fe36a0 lr: 0xfffffff023fef488 fp: 0xffffffeb03fe36c0 lr: 0xfffffff023a15064 fp: 0xffffffeb03fe36e0 lr: 0xfffffff023a14a58 fp: 0xffffffeb03fe3700 lr: 0xfffffff023473404 fp: 0xffffffeb03fe3760 lr: 0xfffffff023a13f74 fp: 0xffffffeb03fe3880 lr: 0xfffffff02347d1ec fp: 0xffffffeb03fe3a20 lr: 0xfffffff022f9209c fp: 0xffffffeb03fe3b40 lr: 0xfffffff022e9572c fp: 0xffffffeb03fe3bd0 lr: 0xfffffff022e6acd8 fp: 0xffffffeb03fe3d00 lr: 0xfffffff022e81e70 fp: 0xffffffeb03fe3d90 lr: 0xfffffff022fbf678 fp: 0xffffffeb03fe3e60 lr: 0xfffffff022fca328 fp: 0xffffffeb03fe3f10 lr: 0xfffffff0234f95fc fp: 0xffffffeb03fe3f20 SLEEP/WAKE HANG: panic(cpu 0 caller 0xfffffff00f2b2938): Sleep/Wake hang detected u/IOPMrootDomain.cpp:12592 Debugger message: panic Memory ID: 0x6 OS release type: User OS version: 19P647 macOS version: 21C52 Kernel version: Darwin Kernel Version 21.2.0: Sun Nov 28 20:41:46 PST 2021; root:xnu-8019.61.5~2/RELEASE_ARM64_T8010 Kernel UUID: 096BFE9E-1498-32D9-A90D-40F573034F7C iBoot version: iBoot-7429.61.2 secure boot?: YES x86 EFI Boot State: 0x16 x86 System State: 0x1 x86 Power State: 0x1 x86 Shutdown Cause: 0x5 x86 Previous Power Transitions: 0x100010001 PCIeUp link state: not available Paniclog version: 13 Kernel slide: 0x0000000007524000 Kernel text base: 0xfffffff00e528000 mach_absolute_time: 0x4b197e4c58 Epoch Time: sec usec Boot : 0x61e73c46 0x00054113 Sleep : 0x61e8684a 0x000c31d2 Wake : 0x61e8694b 0x00051c6a Calendar: 0x61e8697e 0x0008028d Zone info: Foreign : 0xfffffff06e1bc000 - 0xfffffff06e1cc000 Native : 0xffffffe0002ac000 - 0xffffffe6002ac000 Readonly : 0xffffffe0e6910000 - 0xffffffe1335d4000 Metadata : 0xffffffeb008bc000 - 0xffffffeb04a74000 Bitmaps : 0xffffffeb020bc000 - 0xffffffeb02324000 CORE 0 is the one that panicked. Check the full backtrace for details. CORE 1: PC=0xfffffff00ed4db40, LR=0xfffffff00ed4db40, FP=0xffffffeb0ec8bef0 Panicked task 0xffffffe219cec628: 0 pages, 225 threads: pid 0: kernel_task Panicked thread: 0xffffffe2196d14e8, backtrace: 0xffffffeb0f1db7f0, tid: 13109 lr: 0xfffffff00ed1b6b4 fp: 0xffffffeb0f1db830 lr: 0xfffffff00ed1b444 fp: 0xffffffeb0f1db8a0 lr: 0xfffffff00ee56d98 fp: 0xffffffeb0f1db920 lr: 0xfffffff00ee55f60 fp: 0xffffffeb0f1db9d0 lr: 0xfffffff00f3855fc fp: 0xffffffeb0f1db9e0 lr: 0xfffffff00ed1b158 fp: 0xffffffeb0f1dbd70 lr: 0xfffffff00ed1b158 fp: 0xffffffeb0f1dbdd0 lr: 0xfffffff00fe7b42c fp: 0xffffffeb0f1dbdf0 lr: 0xfffffff00f2b2938 fp: 0xffffffeb0f1dbe30 lr: 0xfffffff00ed6ee80 fp: 0xffffffeb0f1dbf20 lr: 0xfffffff00f3905a0 fp: 0x0000000000000000